Finding the Fourth Proportional to 2,895,165.12, 3,993,656.16 and 1,805,545.44
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Solution
The fourth proportional to 2,895,165.12, 3,993,656.16 and 1,805,545.44 is: 2,490,610.16
Step by Step Solution
- Step 1: Write the proportion equation
2,895,165.12 : 3,993,656.16 = 1,805,545.44 : x - Step 2: Convert to fraction form
2,895,165.12/3,993,656.16 = 1,805,545.44/x - Step 3: Cross multiply
2,895,165.12x = 3,993,656.16 × 1,805,545.44 - Step 4: Simplify right side
2,895,165.12x = 7,210,727,668,615.91 - Step 5: Solve for x
x = 7,210,727,668,615.91/2,895,165.12 - Step 6: Final answer
x = 2,490,610.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.